diff options
Diffstat (limited to 'include/resolv.h')
| -rw-r--r-- | include/resolv.h | 321 |
1 files changed, 165 insertions, 156 deletions
diff --git a/include/resolv.h b/include/resolv.h index 882c4e9ae..3658930c8 100644 --- a/include/resolv.h +++ b/include/resolv.h @@ -51,20 +51,18 @@ #ifndef _RESOLV_H_ -#if (!defined(BSD)) || (BSD < 199306) -# include <sys/bitypes.h> -#else -# include <sys/types.h> -#endif -#include <stdio.h> +/* These headers are needed for types used in the `struct res_state' + declaration. */ +#include <sys/types.h> #include <netinet/in.h> #ifndef __need_res_state -#define _RESOLV_H_ +# define _RESOLV_H_ -#include <sys/param.h> -#include <sys/cdefs.h> -#include <arpa/nameser.h> +# include <sys/param.h> +# include <sys/cdefs.h> +# include <stdio.h> +# include <arpa/nameser.h> #endif #ifndef __res_state_defined @@ -87,51 +85,21 @@ typedef res_sendhookact (*res_send_rhook) (const struct sockaddr_in *ns, int anssiz, int *resplen); -struct res_sym { - int number; /* Identifying number, like T_MX */ - char * name; /* Its symbolic name, like "MX" */ - char * humanname; /* Its fun name, like "mail exchanger" */ -}; - -/* - * Resolver options (keep these in synch with res_debug.c, please) - */ -#define RES_INIT 0x00000001 /* address initialized */ -#define RES_DEBUG 0x00000002 /* print debug messages */ -#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ -#define RES_USEVC 0x00000008 /* use virtual circuit */ -#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ -#define RES_IGNTC 0x00000020 /* ignore trucation errors */ -#define RES_RECURSE 0x00000040 /* recursion desired */ -#define RES_DEFNAMES 0x00000080 /* use default domain name */ -#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ -#define RES_DNSRCH 0x00000200 /* search up local domain tree */ -#define RES_INSECURE1 0x00000400 /* type 1 security disabled */ -#define RES_INSECURE2 0x00000800 /* type 2 security disabled */ -#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ -#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ -#define RES_ROTATE 0x00004000 /* rotate ns list after each query */ -#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ -#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ -#define RES_BLAST 0x00020000 /* blast all recursive servers */ - -#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) - /* * Global defines and variables for resolver stub. */ -#define MAXNS 3 /* max # name servers we'll track */ -#define MAXDFLSRCH 3 /* # default domain levels to try */ -#define MAXDNSRCH 6 /* max # domains in search path */ -#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ - -#define RES_TIMEOUT 5 /* min. seconds between retries */ -#define MAXRESOLVSORT 10 /* number of net to sort on */ -#define RES_MAXNDOTS 15 /* should reflect bit field size */ -#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ -#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ -#define RES_DFLRETRY 2 /* Default #/tries. */ -#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ +# define MAXNS 3 /* max # name servers we'll track */ +# define MAXDFLSRCH 3 /* # default domain levels to try */ +# define MAXDNSRCH 6 /* max # domains in search path */ +# define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ + +# define RES_TIMEOUT 5 /* min. seconds between retries */ +# define MAXRESOLVSORT 10 /* number of net to sort on */ +# define RES_MAXNDOTS 15 /* should reflect bit field size */ +# define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ +# define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ +# define RES_DFLRETRY 2 /* Default #/tries. */ +# define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ struct __res_state { int retrans; /* retransmition time interval */ @@ -140,7 +108,7 @@ struct __res_state { int nscount; /* number of name servers */ struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */ -#define nsaddr nsaddr_list[0] /* for backward compatibility */ +# define nsaddr nsaddr_list[0] /* for backward compatibility */ u_short id; /* current message id */ char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ char defdname[256]; /* default domain (deprecated) */ @@ -161,21 +129,30 @@ struct __res_state { char pad[52]; /* On an i386 this means 512b total. */ struct { u_int16_t nscount; - u_int16_t nstimes[MAXNS]; /* ms. */ +#if 0 + u_int16_t nsmap[MAXNS]; +#else + u_int16_t nstimes[MAXNS]; /* ms. */ +#endif int nssocks[MAXNS]; u_int16_t nscount6; u_int16_t nsinit; struct sockaddr_in6 *nsaddrs[MAXNS]; +#if 0 +#ifdef _LIBC + unsigned long long int initstamp + __attribute__((packed)); +#else + unsigned int _initstamp[2]; +#endif +#endif } _ext; } _u; }; typedef struct __res_state *res_state; # undef __need_res_state -#endif /* ! __res_state_defined */ - -#endif /* ! _RESOLV_H_ */ - +#endif #ifdef _RESOLV_H_ /* @@ -186,8 +163,11 @@ typedef struct __res_state *res_state; * is new enough to contain a certain feature. */ -/* #define __RES 19991006 we don't have a new resolver yet */ +#if 0 +#define __RES 19991006 +#else #define __RES 19960801 +#endif /* * Resolver configuration file. @@ -199,7 +179,11 @@ typedef struct __res_state *res_state; #define _PATH_RESCONF "/etc/resolv.conf" #endif - +struct res_sym { + int number; /* Identifying number, like T_MX */ + char * name; /* Its symbolic name, like "MX" */ + char * humanname; /* Its fun name, like "mail exchanger" */ +}; /* * Resolver flags (used to be discrete per-module statics ints). @@ -211,6 +195,38 @@ typedef struct __res_state *res_state; #define RES_EXHAUSTIVE 0x00000001 /* always do all queries */ /* + * Resolver options (keep these in synch with res_debug.c, please) + */ +#define RES_INIT 0x00000001 /* address initialized */ +#define RES_DEBUG 0x00000002 /* print debug messages */ +#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ +#define RES_USEVC 0x00000008 /* use virtual circuit */ +#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ +#define RES_IGNTC 0x00000020 /* ignore trucation errors */ +#define RES_RECURSE 0x00000040 /* recursion desired */ +#define RES_DEFNAMES 0x00000080 /* use default domain name */ +#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ +#define RES_DNSRCH 0x00000200 /* search up local domain tree */ +#define RES_INSECURE1 0x00000400 /* type 1 security disabled */ +#define RES_INSECURE2 0x00000800 /* type 2 security disabled */ +#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ +#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ +#define RES_ROTATE 0x00004000 /* rotate ns list after each query */ +#define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ +#define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ +#define RES_BLAST 0x00020000 /* blast all recursive servers */ +#if 0 +#define RES_USEBSTRING 0x00040000 /* IPv6 reverse lookup with byte + strings */ +#define RES_NOIP6DOTINT 0x00080000 /* Do not use .ip6.int in IPv6 + reverse lookup */ + +#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH|RES_NOIP6DOTINT) +#else +#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH) +#endif + +/* * Resolver "pfcode" values. Used by dig. */ #define RES_PRF_STATS 0x00000001 @@ -236,8 +252,6 @@ extern struct __res_state *__res_state(void) __attribute__ ((__const__)); __END_DECLS #define _res (*__res_state()) -#ifndef __BIND_NOSTATIC - #define fp_nquery __fp_nquery #define fp_query __fp_query #define hostalias __hostalias @@ -252,40 +266,22 @@ __END_DECLS #define res_send __res_send __BEGIN_DECLS -void fp_nquery __P((const u_char *, int, FILE *)); -void fp_query __P((const u_char *, FILE *)); -const char * hostalias __P((const char *)); -void p_query __P((const u_char *)); -void res_close __P((void)); -int res_init __P((void)); -int res_isourserver __P((const struct sockaddr_in *)); -int res_mkquery __P((int, const char *, int, int, const u_char *, - int, const u_char *, u_char *, int)); -int res_query __P((const char *, int, int, u_char *, int)); -int res_querydomain __P((const char *, const char *, int, int, - u_char *, int)); -int res_search __P((const char *, int, int, u_char *, int)); -int res_send __P((const u_char *, int, u_char *, int)); +void fp_nquery (const u_char *, int, FILE *) __THROW; +void fp_query (const u_char *, FILE *) __THROW; +const char * hostalias (const char *) __THROW; +void p_query (const u_char *) __THROW; +void res_close (void) __THROW; +int res_init (void) __THROW; +int res_isourserver (const struct sockaddr_in *) __THROW; +int res_mkquery (int, const char *, int, int, const u_char *, + int, const u_char *, u_char *, int) __THROW; +int res_query (const char *, int, int, u_char *, int) __THROW; +int res_querydomain (const char *, const char *, int, int, + u_char *, int) __THROW; +int res_search (const char *, int, int, u_char *, int) __THROW; +int res_send (const u_char *, int, u_char *, int) __THROW; __END_DECLS -#endif /* !__BIND_NOSTATIC */ - - -#if !defined(SHARED_LIBBIND) || defined(LIB) -/* - * If libbind is a shared object (well, DLL anyway) - * these externs break the linker when resolv.h is - * included by a lib client (like named) - * Make them go away if a client is including this - * - */ -extern const struct res_sym __p_key_syms[]; -extern const struct res_sym __p_cert_syms[]; -extern const struct res_sym __p_class_syms[]; -extern const struct res_sym __p_type_syms[]; -extern const struct res_sym __p_rcode_syms[]; -#endif /* SHARED_LIBBIND */ - #define b64_ntop __b64_ntop #define b64_pton __b64_pton #define dn_comp __dn_comp @@ -329,69 +325,82 @@ extern const struct res_sym __p_rcode_syms[]; #define sym_ntos __sym_ntos #define sym_ston __sym_ston __BEGIN_DECLS -int res_hnok __P((const char *)); -int res_ownok __P((const char *)); -int res_mailok __P((const char *)); -int res_dnok __P((const char *)); -int sym_ston __P((const struct res_sym *, const char *, int *)); -const char * sym_ntos __P((const struct res_sym *, int, int *)); -const char * sym_ntop __P((const struct res_sym *, int, int *)); -int b64_ntop __P((u_char const *, size_t, char *, size_t)); -int b64_pton __P((char const *, u_char *, size_t)); -int loc_aton __P((const char *ascii, u_char *binary)); -const char * loc_ntoa __P((const u_char *binary, char *ascii)); -int dn_skipname __P((const u_char *, const u_char *)); -void putlong __P((u_int32_t, u_char *)); -void putshort __P((u_int16_t, u_char *)); -const char * p_class __P((int)); -const char * p_time __P((u_int32_t)); -const char * p_type __P((int)); -const char * p_rcode __P((int)); -const u_char * p_cdnname __P((const u_char *, const u_char *, int, FILE *)); -const u_char * p_cdname __P((const u_char *, const u_char *, FILE *)); -const u_char * p_fqnname __P((const u_char *cp, const u_char *msg, - int, char *, int)); -const u_char * p_fqname __P((const u_char *, const u_char *, FILE *)); -const char * p_option __P((u_long option)); -char * p_secstodate __P((u_long)); -int dn_count_labels __P((const char *)); -int dn_comp __P((const char *, u_char *, int, - u_char **, u_char **)); -int dn_expand __P((const u_char *, const u_char *, const u_char *, - char *, int)); -u_int res_randomid __P((void)); -int res_nameinquery __P((const char *, int, int, - const u_char *, const u_char *)); -int res_queriesmatch __P((const u_char *, const u_char *, - const u_char *, const u_char *)); -const char * p_section __P((int section, int opcode)); +int res_hnok (const char *) __THROW; +int res_ownok (const char *) __THROW; +int res_mailok (const char *) __THROW; +int res_dnok (const char *) __THROW; +int sym_ston (const struct res_sym *, const char *, int *) __THROW; +const char * sym_ntos (const struct res_sym *, int, int *) __THROW; +const char * sym_ntop (const struct res_sym *, int, int *) __THROW; +int b64_ntop (u_char const *, size_t, char *, size_t) __THROW; +int b64_pton (char const *, u_char *, size_t) __THROW; +int loc_aton (const char *ascii, u_char *binary) __THROW; +const char * loc_ntoa (const u_char *binary, char *ascii) __THROW; +int dn_skipname (const u_char *, const u_char *) __THROW; +void putlong (u_int32_t, u_char *) __THROW; +void putshort (u_int16_t, u_char *) __THROW; +const char * p_class (int) __THROW; +const char * p_time (u_int32_t) __THROW; +const char * p_type (int) __THROW; +const char * p_rcode (int) __THROW; +const u_char * p_cdnname (const u_char *, const u_char *, int, FILE *) + __THROW; +const u_char * p_cdname (const u_char *, const u_char *, FILE *) __THROW; +const u_char * p_fqnname (const u_char *cp, const u_char *msg, + int, char *, int) __THROW; +const u_char * p_fqname (const u_char *, const u_char *, FILE *) __THROW; +const char * p_option (u_long option) __THROW; +char * p_secstodate (u_long) __THROW; +int dn_count_labels (const char *) __THROW; +int dn_comp (const char *, u_char *, int, u_char **, u_char **) + __THROW; +int dn_expand (const u_char *, const u_char *, const u_char *, + char *, int) __THROW; +u_int res_randomid (void) __THROW; +int res_nameinquery (const char *, int, int, + const u_char *, const u_char *) __THROW; +int res_queriesmatch (const u_char *, const u_char *, + const u_char *, const u_char *) __THROW; +const char * p_section (int section, int opcode) __THROW; /* Things involving a resolver context. */ -int res_ninit __P((res_state)); -int res_nisourserver __P((const res_state, - const struct sockaddr_in *)); -void fp_resstat __P((const res_state, FILE *)); -void res_npquery __P((const res_state, const u_char *, int, FILE *)); -const char * res_hostalias __P((const res_state, const char *, - char *, size_t)); -int res_nquery __P((res_state, - const char *, int, int, u_char *, int)); -int res_nsearch __P((res_state, const char *, int, - int, u_char *, int)); -int res_nquerydomain __P((res_state, - const char *, const char *, int, int, - u_char *, int)); -int res_nmkquery __P((res_state, - int, const char *, int, int, const u_char *, - int, const u_char *, u_char *, int)); -int res_nsend __P((res_state, const u_char *, int, u_char *, int)); -void res_nclose __P((res_state)); +int res_ninit (res_state) __THROW; +int res_nisourserver (const res_state, + const struct sockaddr_in *) __THROW; +void fp_resstat (const res_state, FILE *) __THROW; +void res_npquery (const res_state, const u_char *, int, FILE *) + __THROW; +const char * res_hostalias (const res_state, const char *, char *, size_t) + __THROW; +int res_nquery (res_state, const char *, int, int, u_char *, int) + __THROW; +int res_nsearch (res_state, const char *, int, int, u_char *, int) + __THROW; +int res_nquerydomain (res_state, const char *, const char *, int, + int, u_char *, int) __THROW; +int res_nmkquery (res_state, int, const char *, int, int, + const u_char *, int, const u_char *, u_char *, + int) __THROW; +int res_nsend (res_state, const u_char *, int, u_char *, int) + __THROW; +void res_nclose (res_state) __THROW; __END_DECLS -#endif /* _RESOLV_H_ */ - -#if defined(__UCLIBC_HAS_THREADS_NATIVE__) && defined(IS_IN_libpthread) -# include <tls.h> -# undef _res -# define _res (*__resp) +# if _LIBC +# ifdef __UCLIBC_HAS_THREADS__ +# if defined __UCLIBC_HAS_THREADS_NATIVE__ \ + && (!defined NOT_IN_libc || defined IS_IN_libpthread) +# undef _res +# ifndef NOT_IN_libc +# define __resp __libc_resp +# endif +# define _res (*__resp) extern __thread struct __res_state *__resp attribute_tls_model_ie; -#endif +# endif +# else +# undef _res +extern struct __res_state _res; +# endif /* __UCLIBC_HAS_THREADS_NATIVE__ */ +# endif /* __UCLIBC_HAS_THREADS__ */ +# endif /* _LIBC */ + +#endif /* !_RESOLV_H_ */ |